| Characteristics | Number | Percentage |
| Gender |
|
|
| Male | 130 | 52% |
| Female | 120 | 48% |
| Age |
|
|
| 30 - 39 | 50 | 20% |
| 40 - 49 | 100 | 40% |
| 50 - 59 | 100 | 40% |
| Educational level |
|
|
| Diploma | 10 | 4% |
| Bachelor degree | 100 | 40% |
| Master degree | 90 | 36% |
| Others | 50 | 20% |